public async Task TestDropContinuousQueryAsync_NotSaved()
{
var client = new InfluxDBClient(influxUrl, dbUName, dbpwd);
var p = new InfluxContinuousQuery()
{
Name = "TestCQ2", DBName = dbName
};
var r = await AssertEx.ThrowsAsync <ArgumentException>(() => client.DropContinuousQueryAsync(p));
}
public async Task TestCreateContinuousQueryAsync_MissingGroupBy()
{
var client = new InfluxDBClient(influxUrl, dbUName, dbpwd);
var query = $"select mean(Doublefield) as Doublefield into cqMeasurement from {measurementName} group by *";
var p = new InfluxContinuousQuery()
{
Name = "TestCQ2", DBName = dbName, Query = query
};
var r = await AssertEx.ThrowsAsync <InfluxDBException>(() => client.CreateContinuousQueryAsync(p));
}
public async Task TestCreateContinuousQueryAsync_WithResample()
{
var client = new InfluxDBClient(influxUrl, dbUName, dbpwd);
var query = $"select mean(Intfield) as Intfield into cqMeasurement from {measurementName} group by time(1h),*";
var p = new InfluxContinuousQuery()
{
Name = "TestCQ1", DBName = dbName, Query = query, ResampleDuration = TimeSpan.FromHours(2), ResampleFrequency = TimeSpan.FromHours(0.5)
};
var r = await client.CreateContinuousQueryAsync(p);
Assert.IsTrue(p.Saved, "CreateContinuousQueryAsync failed");
}
public async Task TestCreateContinuousQueryAsync()
{
var client = new InfluxDBClient(influxUrl, dbUName, dbpwd);
var query = $"select mean(Doublefield) as Doublefield into cqMeasurement from {measurementName} group by time(1h),*";
var p = new InfluxContinuousQuery()
{
Name = "TestCQ", DBName = dbName, Query = query
};
var r = await client.CreateContinuousQueryAsync(p);
Assert.IsTrue(r && p.Saved, "CreateContinuousQueryAsync failed");
}
public bool EnsureContinuousQuery(string databaseName, InfluxDbContinuousQueryDefinition definition)
{
var cqs = _influxDbClient.GetContinuousQueriesAsync()
.Result
.FirstOrDefault(x => x.Name.Equals(definition.Name, StringComparison.InvariantCulture));
if (cqs != null)
{
if (cqs.Query.Equals(definition.Query, StringComparison.InvariantCulture) &&
cqs.DBName.Equals(databaseName, StringComparison.InvariantCulture) &&
cqs.ResampleDuration.Equals(definition.ResampleDuration) &&
cqs.ResampleFrequency.Equals(definition.ResampleFrequency))
{
_logger.Debug("Continuous query {0} already exists. Nothing to do.", definition.Name);
return(false);
}
else
{
_logger.Info("Continuous query {0} already exists, but with different configuration. Current CQ will be deleted and new created.",
definition.Name);
_influxDbClient.DropContinuousQueryAsync(cqs);
}
}
else
{
_logger.Info("Continuous query {0} does not exists. CQ will be created.",
definition.Name);
}
var p = new InfluxContinuousQuery()
{
Name = definition.Name,
DBName = databaseName,
Query = definition.Query,
ResampleDuration = definition.ResampleDuration,
ResampleFrequency = definition.ResampleFrequency
};
return(_influxDbClient.CreateContinuousQueryAsync(p).Result);
}
